Lead pollution linked to lower IQs in Roman Empire

Widespread lead pollution in the Roman era made led to a drop in IQ across Europe, study suggests
"A 2 to 3 points lower IQ doesn't sound like much, but when you apply that to the entire European population, it's quite a lot."
Lead pollution linked to lower IQs in Roman Empire: Study
Atmospheric lead pollution likely caused cognitive decline among citizens of the Roman Empire, according to research published Monday in the Proceedings of the National Academy of Sciences.
Lead pollution in the air impacted all ancient Romans
The researchers first took measurements of lead deposited in three Arctic ice cores every year between 500 BCE and 600 CE using techniques they have reported before. They found that lead emissions shot up around 15 BCE, soon after the rise of the Roman Empire, and dipped around 165–180 CE with the end of Pax Romana.
Lead pollution in ancient Rome may have dropped average IQ, study finds
Lead pollution in ancient Rome likely dropped the average IQ, a study found. The research is based on an analysis of ice cores extracted from Greenland.
Ancient lead pollution may have lowered IQs across the Roman Empire
The new research adds context to a long-standing debate about the role lead pollution and poisoning may have played in the collapse of the Roman Empire. Some historians have argued that Roman elites and emperors who purportedly displayed odd,
How Pollution in Ancient Rome Lowered IQ of Population
Lead pollution might sound like a modern problem, but people were subjected to significant levels during antiquity, too.
Lead pollution across the Roman Empire would have caused IQ deficits
Lead records from Arctic glaciers indicate that people all over Europe would have been affected by pollution from metal smelting during the Roman era
Lead Pollution Was Likely Widespread in the Roman Empire
Lead exposure is responsible for a range of human health impacts, with even relatively low levels impacting the cognitive development of children. DRI scientists have previously used atmospheric pollu
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